Answer:
Please find attached pdf
Step-by-step explanation:
When you write that equation, you get 3x^2+6=81.
Solving for x:
Subtract by 6 on both sides of the equation to get 3x^2=75.
Then, divide by 3 on both sides of the equation to get x^2=25.
Finally, do the square root on both sides of the equation to get x=5.
The number is 5.
Answer:
Step-by-step explanation:
Let s represents the total Israel's savings.
Israel added $80 to his savings. Hence, he then had $(s+80).
This added amount represents of his total savings. of his total savings is
Therefore,
Answer: 600
Step-by-step explanation: 6!x5!= 86400| 4!x3!= 144| 86400/144= 600
Hope it’s right!